Lutron ORP-203 Meter is a digital pocket ORP meter, Available for wide applications, such as swimming pools, water conditions, aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges.
Features :
- pocket ORP meter, Available for wide applications, such as swimming pools, water conditions, aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges.
- Digital display with high accuracy.
- Pocket size with the separate electrode.
- Wide measuring range, max range up to 1,999 mV

Specifications :
- Display : 12.5 mm {0,5″} LCD, 3 1/2 digital.
- Range : -1,999 mV to 1,999 mV.
- Resolution : 1 mV.
- Accuracy : { 0.8% + 1 d }
- Input : 10 12ohms.
- Sampling Time : Approx. 0.4 second.
- Operating Temperature : 0 to 50 C { 32 to 122 F }
- Operating Humidity : Max. 80% RH
- Power Supply : DC 9V battery, 006P, MN1604 { PP3 } or equivalent.
- Power Consumption : Approx. DC 1.5 mA.
- Dimension : 131 x 70 X 25 mm { 5.2 x 2.8 x 1.0 inch }
- Weight : Approx. 153g / 0.34 LB